What Are Those Locks On Old Computers?

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Have you ever taken a good look at a very old PC—you know, those unappealing beige boxes that take up half of the desk and are equipped with blinking LEDs and mysterious features like a "turbo" button? If you have, you may have noticed a peculiar metal lock. That lock pairs with a key. Why keep a computer under lock and key? Find out in the video below.


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